<AWT Dev> RFR: 8263363: Minor cleanup of Lanai code - unused code removal and comments correction [v3]

[Ajit Ghaisas]

> Refer JBS for 3 issues that this PR addresses.
> In addition, I have corrected an erroneous free() call in the same method I was cleaning up.

Ajit Ghaisas has updated the pull request incrementally with one additional commit since the last revision:

  log message correction

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3357/files
  - new: https://git.openjdk.java.net/jdk/pull/3357/files/36ed087b..45e7aec0

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3357&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3357&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3357.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3357/head:pull/3357

PR: https://git.openjdk.java.net/jdk/pull/3357